Two’s company, three’s a crowd, and four is a hot mess.

After a grueling first week, it’s the boys’ night off. Jim decides to throw a dinner party, and Marc M. is surprised to learn that his night with Mark W. has become a group affair. Casey tries to be a supportive pal, but ends up with her hands full elsewhere.

Plus, party girl Robin is back… but who does she have her eye on now?